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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 4604370 B1

PDFFull Text
Date of Patent:
Aug. 05, 1986

Filed:

Jul. 09, 1985

Process for regenerating a catalyst

Applicant:
Inventors:

Kohei Sarumaru, Ami, JP;

Takeshi Shibano, Yokkaichi, JP;

Yoichi Ishii, Ami, JP;

Etsuji Yamamoto, Ami, JP;

Assignee:

Mitsubishi Petrochemical Company, Limited, Tokyo, JP;

Attorney:

Oblon, Fisher, Spivak, McClelland & Maier

Primary Examiner:

P E Konopka

Int. Cl.
CPC ...
R01J / ; C07C / ;
U.S. Cl.
CPC ...
502 38 ; 502 52 ; 568477 ; 568479 ; 568480 ;
Abstract

A process for regenerating a Mo.Bi-based multi-oxide catalyst the catalytic performance of which has deteriorated as a result of its use in vapor-phase catalytic oxidation of propylene or isobutene to prepare acrolein or methacrolein, respectively, which process comprises: heating the deteriorated Mo.Bi-based multi-oxide catalyst in an atmosphere consisting essentially of air at a temperature of 380.degree. C. to 540.degree. C., so as to attain at least partial restoration of the catalytic performance thereof.

Find Patent Forward Citations

Sarumaru, Kohei. (1986). Process for regenerating a catalyst (U.S. Patent No. 4604370). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4604370

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